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| author | Jan Hubicka <jh@suse.cz> | 2004-09-10 10:58:47 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2004-09-10 08:58:47 +0000 |
| commit | b829f3fac7e1c736df642ace45589e8d24ae2731 (patch) | |
| tree | a9f89767bf8754a717564aa16cdeed6f7574c14f /gcc/tree-cfg.c | |
| parent | 229031d0e2ec3c74d8dcc0abe20b2906026fd978 (diff) | |
| download | gcc-b829f3fac7e1c736df642ace45589e8d24ae2731.zip gcc-b829f3fac7e1c736df642ace45589e8d24ae2731.tar.gz gcc-b829f3fac7e1c736df642ace45589e8d24ae2731.tar.bz2 | |
tree-ssa-dce.c (remove_dead_stmt): Update profile.
* tree-ssa-dce.c (remove_dead_stmt): Update profile.
* tree-split_edge.c (tree_split_edge): Likewise.
(thread_jumps): Likewise.
From-SVN: r87284
Diffstat (limited to 'gcc/tree-cfg.c')
| -rw-r--r-- | gcc/tree-cfg.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index 9452dff..14f7d1d 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -3018,7 +3018,11 @@ tree_split_edge (edge edge_in) after_bb = edge_in->src; new_bb = create_empty_bb (after_bb); + new_bb->frequency = EDGE_FREQUENCY (edge_in); + new_bb->count = edge_in->count; new_edge = make_edge (new_bb, dest, EDGE_FALLTHRU); + new_edge->probability = REG_BR_PROB_BASE; + new_edge->count = edge_in->count; /* Find all the PHI arguments on the original edge, and change them to the new edge. Do it before redirection, so that the argument does not @@ -3852,6 +3856,8 @@ thread_jumps (void) forwardable. */ for (e = bb->succ; e; e = next) { + int freq; + gcov_type count; next = e->succ_next; /* If the edge is abnormal or its destination is not @@ -3860,6 +3866,9 @@ thread_jumps (void) || !tree_forwarder_block_p (e->dest)) continue; + count = e->count; + freq = EDGE_FREQUENCY (e); + /* Now walk through as many forwarder block as possible to find the ultimate destination we want to thread our jump to. */ @@ -3879,6 +3888,15 @@ thread_jumps (void) break; bb_ann (dest)->forwardable = 0; + dest->frequency -= freq; + if (dest->frequency < 0) + dest->frequency = 0; + dest->count -= count; + if (dest->count < 0) + dest->count = 0; + dest->succ->count -= count; + if (dest->succ->count < 0) + dest->succ->count = 0; } /* Reset the forwardable marks to 1. */ |